Burris Fastfire 3 VS Trijicon RMR [Which One is The Right Optic For You!]

When it comes to using your gun for accuracy, there’s nothing more significant than the use of a red dot sight. It provides you with target acquisition, and accurate shot placement, and makes 100-yard shots easier. But which red dot sight is better for you?

We have brought two thriving products to make a comparison between them- Burris Fastfire 3 vs Trijicon RMR type 2. So that it will be easier for you to decide which one you should pick.

Burris Fastfire 3/ Trijicon RMR – Outlooks

Burris Fastfire 3/ Trijicon RMR – Specs

SpecsBurris Fastfire IIITrijicon RMR
Mounting TypePicatinnyNone
ReticlesBoth 3 and 8 MOA Dot6.5 MOA Dot
Lens Diameter21×15 mm22×16 mm
BatteryCR1632 LithiumCR2032 Lithium
Battery IndicatorYesNo
ControlsElevation, Brightness & WindageElevation & Windage

Burris Fastfire 3 VS Trijicon RMR – Differences

Although the specifications of these two red dot sights are quite similar to one another, you can notice some key differences when it comes to Fastfire vs RMR. We stormed them up for your ease in this section-

Burris Fastfire has the option for Picatinny Mount which means that you can mount it on your favorite shotgun, handgun, and hunting rifle whereas Trijicon comes with no mounting.

RMR Type 2 comes with a 6.5 MOA red dot. On the other hand, Fastfire 3 is featured with both 3 MOA (Model: 300235) and 8 MOA (Model: 300236) bright red dot. The bigger red dot is better for a close-range encounter proving to be effective for people with poor vision and can locate the target easily.

Burris Fastfire has a weight of about 0.9 oz. which is comparatively less than the weight of Trijicon RMR standing at 1.2 oz.

The Fastfire consists of a brightness control adjustment that the Trijicon RMR doesn’t have.

The battery of Trijicon RMR has a conservation mode that automatically adjusts the aiming dots to the lighting conditions after 16.5 hours whereas Burris Fastfire 3 has a lithium battery with a low-battery warning indicator.


Burris Fastfire 3: It is compact and lightweight but also offers a large green viewing area that gives you an upper hand when it comes to precision. The designed optics allow you to tighten shot groups on your target. The fast fire also includes a single button that can be used to control 4 different settings. These four different settings mainly consist of 3 brightness buttons and 1 option for turning the device off.

Trijicon RMR: Trijicon RMR is produced with a housing shape that is patented. The stress of the lens is diverted to increase durability. It is designed to absorb the impact. It is designed to allow you the facility of simple illumination controls. However, to some people, the reticle might seem to be too large or even a little fizzy which might prevent you from the accuracy of a longer shooting range.

While you are in the comparison- Burris Fastfire 3 vs RMR, you should focus on the design and overall features for performance. Burris Fastfire iii is the best choice for the design.


Burris Fastfire: With dimensions of about 6 x 5 x 2 inches and also 7.2 x 2.5 x 0.2 inches, it comes in pretty handy to position on top of firearms and small pistols. It is also the same for the Burris Fastfire. Both of the sights can be placed easily on top of pistols without any hassle. Yet, Burris has an added advantage as it is comparable with all sorts of rifles and shotguns.

Trijicon RMR: The dimensions of 12 x 4 x 4 inches elevate the usability of the Fastfire more than that of the RMR making it the best choice for people who are willing to use the sight on all sorts of guns.

Burris Fastfire is suitable for all types of handguns, shotguns, and hunting rifles whereas Trijicon RMR is only for a handgun that is used to target the shorter distance.


Burris Fastfire: If you are looking for something lightweight stuff, this Fastfire iii is the best option for you. It comes up with 0.9 oz. The weight of the next model with 8 MOH dot lights (Model: 300236) is 1.5 oz.

Trijicon RMR: On the other hand, Trijicon RMR type ii is a little bit weightier than the Fastfire iii. It is 1.2 oz.

The Trijicon RMR is comparatively smaller and light-weighted than the Burris Fastfire 3- 300236. But heavier than the 300235 models.


Burris Fastfire: Moving on to the Burris Fastfire 3 which is also very strong and durable in addition to being very light-weighted. The number of modes, when compared to the size of the product, is mind-blowing. All these added up, make it effective enough to be set up easily. It’s fair enough to say that the Fastfire excels in quality rather than RMR.

Trijicon RMR: To start with, the Trijicon RMR is made up of molded 7075-T6 aluminum material that makes the housing of the sight very durable even in harsh conditions. Not only that, the sight is patented to absorb the impact and divert the force from the lens. Although Trijicon attempts to make their sight highly efficient some clients have presented their fair share of complaints regarding the not being up to the internal design which causes the breakdown of the sight.

The quality of a product should not be overlooked in any case. But you have nothing to worry about as both the sights are manufactured by brands that are reputed for their high-standard products.


Burris Fastfire: The Burris Fastfire iii comes with two dots, 3 MOA and, 8 MOA red dots. This allows you to choose the right dot size to locate your prey depending upon the range. The 8 MOA dot is most preferred by the short-range shooters whereas the 3 MOA one is best for rifles with pinpoint accuracy.

Trijicon RMR: They have 6.5 MOA that is also applicable for close combats. However when you are looking for more efficiency then it’s better to get the one with a smaller reticle. Which reticle to choose depends upon the range and accuracy you require.

Moving on to the red dot, the Burris Fastfire 3 has a much brighter light than the Trijicon one. It is great to deal with poor vision even when the day is bright. This gives Burris Fastfire 3 an upper hand over the Trijicon RMR.


Burris Fastfire: while shooting, the pistol or gun surely shakes which impacts the durability of the dot sight. Fastfire iii comes with a shock absorption feature. To keep it safe from rain, it is waterproof too.

Trijicon RMR: Trijicon is shockproof but not waterproof at all. That’s why we recommend you not to use this in the rain.

For use in the versatile place, Burris Fastfire 3 is the winner dot sight.

Trijicon RMR Type 2 6.5 MOA LED Red Dot Sight with No Mount
  • If a manual mode has been chosen, the RMR will remain in manual mode for 16.5 hours following the last push of a button

Burris Fastfire 3/ Trijicon RMR – Videos

Burris Fastfire 3 VS Trijicon RMR – Summary

To wrap this all up, it can be easily depicted that both of the sights have similar features and specifications. However, their price ranges do vary. The Barris Fastfire is more affordable than RMR. Yet, price ranges do not qualify the quality of the product.

Apart from that, the best red dot sight in Burris Fastfire iii vs Trijicon RMR is without a doubt, Burris Fastfire 3. The handy structure and clearer red dot surely make it a great piece to use for your next hunt!

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